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This research work focuses on the design of a high-resolution fast Fourier transform (FFT) /inverse fast Fourier transform (IFFT) processors for constraints analysis purpose. Amongst the major setbacks associated with such high resolution,…

Signal Processing · Electrical Eng. & Systems 2018-06-13 Rozita Teymourzadeh , Mometo Jim Abigo , Mok Vee Hoong

Photonic quantum computing is a strong contender in the race to fault-tolerance. Recent proposals using qubits encoded in frequency modes promise a large reduction in hardware footprint, and have garnered much attention. In this encoding,…

Despite the increasing adoption of Field-Programmable Gate Arrays (FPGAs) in compute clouds, there remains a significant gap in programming tools and abstractions which can leverage network-connected, cloud-scale, multi-die FPGAs to…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-02-05 Neha Prakriya , Yuze Chi , Suhail Basalama , Linghao Song , Jason Cong

We consider a class of nonsmooth fractional programming problems with fixed-point constraints, where the numerator is convex and the denominator is concave. To solve this problem, we propose splitting algorithms that compute subgradient…

Optimization and Control · Mathematics 2025-09-03 Mootta Prangprakhon , Nimit Nimana

A new approach for a compact radio-frequency (RF) accelerator structure is presented. The new accelerator architecture is based on the Multiple Electrostatic Quadrupole Array Linear Accelerator (MEQALAC) structure that was first developed…

Accelerator Physics · Physics 2017-07-03 A. Persaud , Q. Ji , E. Feinberg , P. A. Seidl , W. L. Waldron , A. Lal , K. B. Vinayakumar , S. Ardanuc , D. A. Hammer , T. Schenkel

Multi-scale deformable attention (MSDeformAttn) has emerged as a key mechanism in various vision tasks, demonstrating explicit superiority attributed to multi-scale grid-sampling. However, this newly introduced operator incurs irregular…

Hardware Architecture · Computer Science 2024-03-19 Yansong Xu , Dongxu Lyu , Zhenyu Li , Zilong Wang , Yuzhou Chen , Gang Wang , Zhican Wang , Haomin Li , Guanghui He

Generation and exploration of approximate circuits and accelerators has been a prominent research domain to achieve energy-efficiency and/or performance improvements. This research has predominantly focused on ASICs, while not achieving…

Hardware Architecture · Computer Science 2023-08-09 Bharath Srinivas Prabakaran , Vojtech Mrazek , Zdenek Vasicek , Lukas Sekanina , Muhammad Shafique

The combination of grating-based frequency-selective optical feedback mechanisms, such as distributed feedback (DFB) or distributed Bragg reflector (DBR) structures, with quantum dot (QD) gain materials is a main approach towards…

Circular colliders have the advantage of delivering collisions to multiple interaction points, which allow different detector designs to be studied and optimized - up to four for FCC-ee. On the one hand, the detectors must satisfy the…

High Energy Physics - Experiment · Physics 2021-07-12 Patrizia Azzi , Emmanuel Perez

In laser illuminated dielectric accelerators (DLA) high acceleration gradients can be achieved, due to high damage thresholds of the materials at optical frequencies. This is a necessity in developing more compact particle accelerator…

Accelerator Physics · Physics 2018-12-26 Willi Kuropka , Frank Mayet , Ulrich Dorda , Ralph Assmann

In view of the large amount of calculation and long calculation time of convolutional neural network (CNN), this paper proposes a convolutional neural network hardware accelerator based on field programmable logic gate array (FPGA). First,…

Hardware Architecture · Computer Science 2020-12-08 Xiong Jun

High-brightness beams generated by particle sources based on advanced accelerator concepts have the potential to become an essential part of future accelerator technology. High-gradient accelerators can generate and rapidly accelerate…

The construction of the High Intensity heavy ion Accelerator Facility (HIAF) has been completed, with current efforts focused on subsystem commissioning. Beam commissioning is scheduled for autumn 2025, marking a critical milestone in the…

Accelerator Physics · Physics 2025-12-19 Ke Wang , Li-Na Sheng , Geng Wang , Wei-Ping Chai , You-Jin Yuan , Jian-Cheng Yang , Guo-Dong Shen , Liang Lu

Large energy acceptance arcs have been proposed for applications such as cancer therapy, muon accelerators, and recirculating linacs. The efficacy of charged particle therapy can be improved by reducing the energy layer switching time,…

Accelerator Physics · Physics 2024-02-05 A. F. Steinberg , R. B. Appleby , J. S. L. Yap , Suzie Sheehy

Combinational equivalence checking (CEC) remains a challenge EDA task in the formal verification of datapath circuits due to their complex arithmetic structures and the limited capability or scalability of SAT, BDD, and exact-simulation…

Logic in Computer Science · Computer Science 2025-12-09 Xindi Zhang , Furong Ye , Zhihan Chen , Shaowei Cai

Phase space matching between two plasma-accelerator (PA) stages and between a PA and a traditional accelerator component is a critical issue for emittance preservation of beams accelerated by PAs. The drastic differences of the transverse…

Accelerator Physics · Physics 2016-03-30 X. L. Xu , Y. P. Wu , C. J. Zhang , F. Li , Y. Wan , J. F. Hua , C. -H. Pai , W. Lu , P. Yu , W. An , W. B. Mori , M. J. Hogan , C. Joshi

A new method for implementing the kinetic energy operator for real-space, grid-based electronic structure codes is developed. It is based on multi-order Adaptive Finite Differencing (AFD) and uses atomic pseudo orbitals produced by the…

Computational Physics · Physics 2023-05-23 E. L. Briggs , Wenchang Lu , J. Bernholc

The intense neutron source for development of fusion materials planned by international collaboration makes a new step to clarify the technical issues for realizing the 40 MeV, 250 mA deuteron beam facility. The baseline concept employs two…

Accelerator Physics · Physics 2007-05-23 M. Sugimoto , M. Kinsho , H. Takeuchi

In the reconstruction of physics events at future e$^+$e$^-$ colliders the calorimeter design has a crucial role in the overall detector performance. The reconstruction of events with many jets in their final state sets stringent…

High Energy Physics - Experiment · Physics 2022-06-22 Marco T. Lucchini , Lorenzo Pezzotti , Giacomo Polesello , Christopher G. Tully

Motion planning is a computationally intensive and well-studied problem in autonomous robots. However, motion planning hardware accelerators (MPA) must be soft-error resilient for deployment in safety-critical applications, and blanket…

Hardware Architecture · Computer Science 2021-10-19 Deval Shah , Zi Yu Xue , Karthik Pattabiraman , Tor M. Aamodt